Improving rotated ATI performance

[Adr3nal D0S]

On Dec 14, 2007 9:45 AM, Alex Deucher <alexdeucher at gmail.com> wrote:
> On Dec 14, 2007 9:25 AM, Jerome Glisse <glisse at freedesktop.org> wrote:
> >
> > Alex would be good if you can double check but r300 hw i got can't
> > properly render 3d above 2650x2650 (offset things you can see in the
> > drm). As side note fglrx doesn't render properly above this limit.
> > So i think we should change advertized viewport size to 2650, i
> > will do that soon if no one object with valid arguments.
>
> you are right the r3xx r4xx car limited to 2560.  I forgot about that.
>  Go ahead and fix that up.

I don't completely understand this part of the discussion. But, will
it prevent me from having a Virtual of 3520 1920 with GLX loaded.
Granted it seems to be falling back to software-based GL, but that's
fine for my usage.